.rule-box {
  padding: 15px 0 5vh;
  min-height: 40vh;
}

.rule-label {
  color: #333;
}

.rule-box .nav-link {
  min-width: 100px;
  max-width: 150px;
  text-align: center;
  line-height: 30px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}